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| author | Feng Tian <feng.tian@intel.com> | 2015-07-08 05:54:21 +0000 |
|---|---|---|
| committer | erictian <erictian@Edk2> | 2015-07-08 05:54:21 +0000 |
| commit | a40a5c08bee12f7346268dcabde4807435dbb4c3 (patch) | |
| tree | 25a0626d0cf3ea1f7206694d7ccaa9ff198d8028 /MdeModulePkg | |
| parent | 6a46c1a2a62135d8f55d093f08bc06537b3ba8ef (diff) | |
| download | edk2-a40a5c08bee12f7346268dcabde4807435dbb4c3.zip edk2-a40a5c08bee12f7346268dcabde4807435dbb4c3.tar.gz edk2-a40a5c08bee12f7346268dcabde4807435dbb4c3.tar.bz2 | |
MdeModulePkg/XhciDxe: Error handling enhancement for XhcExecTransfer
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Baraneedharan Anbazhagan <anbazhagan@hp.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17879 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index 8ff194e..1bdf1a4 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -1027,7 +1027,7 @@ IsTransferRingTrb ( @return Whether the result of URB transfer is finialized.
**/
-EFI_STATUS
+BOOLEAN
XhcCheckUrbResult (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
@@ -1058,7 +1058,6 @@ XhcCheckUrbResult ( if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
Urb->Result |= EFI_USB_ERR_SYSTEM;
- Status = EFI_DEVICE_ERROR;
goto EXIT;
}
@@ -1189,7 +1188,7 @@ EXIT: XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4, XHC_HIGH_32BIT (PhyAddr));
}
- return Status;
+ return Urb->Finished;
}
@@ -1219,6 +1218,7 @@ XhcExecTransfer ( UINTN Loop;
UINT8 SlotId;
UINT8 Dci;
+ BOOLEAN Finished;
if (CmdTransfer) {
SlotId = 0;
@@ -1241,8 +1241,8 @@ XhcExecTransfer ( XhcRingDoorBell (Xhc, SlotId, Dci);
for (Index = 0; Index < Loop; Index++) {
- Status = XhcCheckUrbResult (Xhc, Urb);
- if (Urb->Finished) {
+ Finished = XhcCheckUrbResult (Xhc, Urb);
+ if (Finished) {
break;
}
gBS->Stall (XHC_1_MICROSECOND);
@@ -1250,6 +1250,9 @@ XhcExecTransfer ( if (Index == Loop) {
Urb->Result = EFI_USB_ERR_TIMEOUT;
+ Status = EFI_TIMEOUT;
+ } else if (Urb->Result != EFI_USB_NOERROR) {
+ Status = EFI_DEVICE_ERROR;
}
return Status;
|